This 4" digital caliper lets you take inside, outside, depth and step measurements with an accuracy of ± 0.001" (0.03mm). Measurements are easily read on the caliper's digital LCD display, and the on/off switch has automatic shut-off to preserve battery life. Powered by one 1.5V button cell battery (two button batteries are included). Fluid-resistant stainless steel frame, with precision ground jaws.
Dreamworks Model Products, LLC
775 Fentress Boulevard, Daytona Beach, FL 32114